PlayWithJSON

JSON ↔ XML Converter (with JSON5)

Bidirectional & Fast

Convert JSON and JSON5 to XML with attributes, or parse XML back into formatted JSON and JSON5.

Root Element:
<>
Indent:
Input JSON / JSON5JSON/JSON5
Lines: 24Chars: 422Size: 0.41 KB (422 B)
JSON
Output XMLXML
Lines: 22Chars: 471Size: 0.46 KB (471 B)
XML
Mode: JSON / JSON5 ➔ XML
100% Client-Side • In-Memory Zero Latency

JSON to XML & XML to JSON Converter Online (with JSON5)

Convert seamlessly between JSON, JSON5, and XML with real-time bidirectional synchronization. Whether integrating legacy SOAP web services, formatting RSS and Atom feeds, or parsing enterprise XML files into modern JSON for web apps, this tool handles it effortlessly.

PlayWithJSON preserves attributes (using @_ prefix), supports customizable root tags, handles XML declarations, and supports JSON5 with comments and unquoted keys. Everything executes client-side in your browser for 100% privacy and speed.

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Why Use PlayWithJSON?

  • Bidirectional live conversion: JSON ➔ XML and XML ➔ JSON
  • Full JSON5 support: comments, unquoted keys, and single quotes
  • Custom XML root tag and declaration header controls
  • Attribute preservation with @_ prefix support
  • 100% Client-side in-memory processing with zero network latency

Key Features of Our JSON ↔ XML Converter

Bidirectional Live Conversion

Switch instantly between converting JSON to XML and converting XML back into JSON.

Custom Root Tag & Declaration

Define your desired top-level root element (<root>, <response>, <data>) and toggle XML declaration.

JSON5 Superset Support

Accepts single quotes, unquoted keys, and comments, converting them gracefully into well-formed XML.

Attribute Preservation

Supports XML attributes seamlessly using standard @_ prefix syntax for complete roundtrip integrity.

Real-Time Syntax Validation

Catches unclosed tags, mismatched brackets, and malformed XML or JSON instantly.

One-Click Copy & Export

Copy formatted output or download .xml and .json files directly to your device.

How to Convert JSON to XML & XML to JSON Online

1

Choose Direction & Paste Payload

Select JSON ➔ XML or XML ➔ JSON, or click the Swap button. Paste your payload into the left panel.

2

Customize Root Tag & Attributes

Enter your preferred root tag name, toggle XML declaration, and select indentation.

3

Copy or Download Result

Review the formatted output in the right panel and copy to clipboard or download as .xml or .json.

JSON to XML Conversion Example

Input: JSON Object with Attributes
{ "user": { "@_id": "usr_101", "name": "Alex Rivera", "active": true } }
Output: Well-Formed XML with Attribute
1<?xml version="1.0" encoding="UTF-8"?>
2<user id="usr_101">
3 <name>Alex Rivera</name>
4 <active>true</active>
5</user>

Well-Formed vs Malformed XML

Unclosed XML Tag (Syntax Error)
1<user>
2 <name>Alex Rivera</user> <!-- Error: mismatched closing tag -->
XMLParsingError: Closing tag </user> does not match opening tag <name>.
Properly Closed & Well-Formed XML
1<user>
2 <name>Alex Rivera</name>
3</user>

Core Capabilities & XML Compliance

JSON to XML real-time conversion
XML to JSON strict RFC 8259 compilation
XML to JSON5 with unquoted keys and single quotes
Full JSON5 input parsing with comments
XML attribute support via standard @_ prefix
Custom root element name configuration
XML declaration header (<?xml ...?>) toggle
2-space, 4-space, and compact indentation
CDATA and nested child element preservation
Live byte size and line count statistics
100% in-browser memory client-side execution
Frequently Asked Questions

Frequently Asked Questions about JSON ↔ XML

In JSON, arrays are enclosed in square brackets ([]). In XML, array items are represented by repeating the same element tag consecutively (e.g., <item>1</item><item>2</item>). Our converter handles this mapping automatically.

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